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On another forum someone wrote that "manually setting the permissions on the windows/ installer folder" fixed a similar problem. Can you tell me how to do this, please?

I remember there was an issue with the installer on Vista. When I ran a program I would get a dialog asking me if I wanted to install the already installed program. There was a fix called Installer Cleanup Tool or something. I wonder if W7 has something similar. Have you checked MS KB articles?

Cannot Install Software Since Upgrading to Windows 7

Upgrading From Windows 7 To Windows 8 install errori got a windows 8 and i did burn the files on a DVD ( booted ) so when the installation started after the "Copying windows files" action appears the "getting files ready for installation" it stops at 72% everytime i do it again. I tried to remove 1 of the ram stacks that i have ( i had 2 gb ram...

Installation & Setup

Unable to install or run any software on my windows 7I am unable to install any software in PC. If software is run in administration, then it install but when try to run the software get the message " the application has failed to start because its side-by-side configuration is incorrect. Please see the event log or use the command-line sxstrace.exe...

Re-install XP Before Upgrading to Windows 7?Is this article at Cnet correct? I built a new system and installed W7 (Build 7100) from the get go. When I get the upgrade package I just bought I'll have to install XP first? I can do that but what a pain. Didn't they used to just ask for the old disc to prove ownership? You'd insert it,...